[GTK] Unreviewed gardening. Update expectations after r152793, r152777 and r152872
https://bugs.webkit.org/show_bug.cgi?id=118906

Unreviewed GTK gardening.

Patch by Simon Pena <simon.pena@samsung.com> on 2013-07-19

* platform/gtk/TestExpectations: Mark svg/animations/svgenum-animation-6.html as flaky, and
mathml/presentation/bug95404.html, introduced in r152777, as ImageOnlyFailure.
* platform/gtk/editing/pasteboard/emacs-cntl-y-001-expected.txt: New baseline after r152872.
* platform/gtk/editing/pasteboard/emacs-ctrl-k-y-001-expected.txt: Ditto.
* platform/gtk/fast/dom/Range/getClientRects-expected.txt: Ditto.
* platform/gtk/fast/js/function-length-expected.txt: Ditto.
* platform/gtk/plugins/npruntime/object-from-destroyed-plugin-expected.txt: Added after r152872.
* platform/gtk/plugins/npruntime/object-from-destroyed-plugin-in-subframe-expected.txt: Added after r152872.
* platform/gtk/tables/mozilla/marvin/backgr_index-expected.txt: New baseline after r152793.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@152901 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Update test expectations for MathML after r152840.
https://bugs.webkit.org/show_bug.cgi?id=118053

Patch by Frédéric Wang <fred.wang@free.fr> on 2013-07-19
Reviewed by Chris Fleizach.

* TestExpectations: unskip mspace tests
* platform/mac/TestExpectations: ImageOnlyFailure for mspace-units

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@152902 268f45cc-cd09-0410-ab3c-d52691b4dbfc